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Hangzhou Qianwang Machinery Co., Ltd is a high-tech enterprise in Zhejiang province combining scientific research, sliding bearing material casting development, production and sales activities, owning three patents of sliding bearing structure innovation and materials invention. Qianwang is planning to exhibit supply blowers, air compressors, and bearings used on pumps of oil equipments on cippe Shanghai2012.

Hangzhou Qianwang Co., covering a 13，200sqm area in west suburb of Hangzhou city, sets a “Zhejiang university & Qianwang machinery new material R&D center” and an experimental base specially to study the improvement of sliding bearing aluminum & copper alloy material’s key performance.

The cummins products using aluminum alloy 52313 model materials and carter pontius products using copper alloy UNS C93200 model materials have been analyzed in-depth, on that basis, technology optimized to formula, craft, equipment and manufacturing and etc.

Qianwang, applying nanotechnology of Institute of Materials, Zhejiang University to smelting and casting, successfully realized production of high-performance of special aluminum magnesium alloy QW/Al-001 and copper alloy QW/Cu-003 after two-year’s hard work, attaining two state invention patents separately.